350053993 has 2 divisors, whose sum is σ = 350053994. Its totient is φ = 350053992.

The previous prime is 350053961. The next prime is 350054009. The reversal of 350053993 is 399350053.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287200809 + 62853184 = 16947^2 + 7928^2 .

It is an emirp because it is prime and its reverse (399350053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350053993 - 2⁵ = 350053961 is a prime.

It is not a weakly prime, because it can be changed into another prime (350057993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175026996 + 175026997.

It is an arithmetic number, because the mean of its divisors is an integer number (175026997).

Almost surely, 2^350053993 is an apocalyptic number.

It is an amenable number.

350053993 is a deficient number, since it is larger than the sum of its proper divisors (1).

350053993 is an equidigital number, since it uses as much as digits as its factorization.

350053993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54675, while the sum is 37.

The square root of 350053993 is about 18709.7299018452. The cubic root of 350053993 is about 704.7661098956.

The spelling of 350053993 in words is "three hundred fifty million, fifty-three thousand, nine hundred ninety-three".